The two fighters made their official entrances to Las Vegas Tuesday night in extremely different fashion. Their fashion was again different on Wednesday with Pacquiao in a suit and Mayweather donning a "Money Team" cap and hoodie.

Saturday’s fight will unify the welterweight belts. Mayweather is the WBC and WBA champion while Pacquiao holds the WBO title.

In the latest installment of the "greatest fight of all time," Saturday’s Mayweather-Pacquiao fight is sure to gross the most revenue and easily has been the most publicized ever because of the oversaturated sports media market.

Mayweather Promotions CEO Leonard Ellerbe began Wednesday's news conference by saying, "We are finally here. The biggest fight in the history of the sport."

While that might be overstating things, and the bout is being dubbed as the "fight of the century," it is undoubtedly one of the most hyped sporting events ever.

Following an introduction of the officials, Ellerbe turned the lectern over to Top Rank CEO Bob Arum, who said he hopes Saturday’s fight increases the level of interest in the sport.

What followed was a 35-minute parade of short speeches by the sponsors, representatives from both HBO Sports and Showtime Sports and WBC chief Mauricio Sulaiman. Finally, Arum introduced Pacquiao's trainer Freddie Roach, who said Pacquiao was ready for the "biggest fight of his life."

In his introduction of Pacquiao, Arum talked about Pacquiao's political influences around the world, including Indonesia and the United States.

"Manny Pacquiao means so much to people around the world," Arum said. "We know what he means to the people of the Philippines. He is the national pride. He represents this proud people in a way that is so exemplary. They are a wonderful people and Manny is a wonderful person."

Pacquiao, who is a Filipino congressman, delved into his faith, talking about how blessed he is to go from a "starving boy in the streets" to competing in a multimillion dollar event in Las Vegas. He also hoped to "have a conversation with Floyd about God, and inspire" people and children to look toward God for help during troubled times.

Pacquiao (57-5-2) said being the underdog motivates him and added that God would deliver Mayweather "into his hands" Saturday.